MEDIUM
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Which of the following diatomic molecules would be stabilised by the removal of an electron?
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Important Questions on Chemical Bonding and Molecular Structure
EASY
After understanding the assertion and reason, choose the correct option.
Assertion: In the bonding molecular orbital (MO) of electron density is increased between the nuclei.
Reason: The bonding MO is , which shows destructive interference of the combining electron waves.
EASY
The diamagnetic species is:
EASY
Which of the following is paramagnetic?
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Two pi and half sigma bonds are present in:
EASY
Stability of the species increases in the order of
EASY
Which one of the following pairs of species has the same bond order?
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Consider the following species:
(i)
(ii)
(iii)
Among the following, sigma bond alone is present in -
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According to molecular orbital theory, which of the following molecule will not be available?
HARD
Decreasing order of stability of and is:
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The correct bond order in the following species is:
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Which one of the following properties is not shown by NO ?
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In which of the following pairs of molecules/ions, both the species are not likely to exist?
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Which of the following has unpaired electron(s)?
HARD
In which of the following processes, the bond order has increased and paramagnetic character has changed to diamagnetic?
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Which one of the following molecules is paramagnetic?
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The colour of the molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to -
HARD
Assuming mixing is NOT operative, the paramagnetic species among the following is
EASY
Which of the following species is not paramagnetic?
HARD
According to Molecular Orbital Theory,
EASY
Which one of the following molecules is expected to exhibit paramagnetic behaviour?
